A method of providing an emergency wireless link in a data center comprising a plurality of servers includes receiving, at an input interface of an emergency wireless link system at the data center, an input from a sensor coupled to one of the plurality of servers or to an auxiliary system among a plurality of auxiliary systems, the plurality of auxiliary systems including a power supply system. The method also includes comparing, using a processor of the emergency wireless link system, the input with a plurality of conditions, declaring an emergency, using the processor, based on the input matching one of the plurality of conditions, outputting, using the processor, one or more messages corresponding with the one of the plurality of conditions based on declaring the emergency, and transmitting the one or more messages wirelessly.